About This Episode Grumpy helps a reader deal with their diseased pear tree. Plus, the plant of the week. Question Of The Week "Do you know what causes some of my pear trees, leaves and branches to ...

This disease is most often a problem for pears and apple trees, but it affects more than 200 species of plants in the Rosacea and Rubus families including crab apple, hawthorn, mountain ash and ...

'Once your pear tree reaches its desired height, typically around 5-7 years, you can begin pruning to control its growth.

The blackened branches, leaves, and fruit indicate that your Asian pear has been hit by fireblight. This is a bacterial disease that affects quince, Asian and European pears, and apples.

This column is written by the Master Gardeners of Yolo County each month. It provides answers to selected questions that recently came into the UCCE Master Gardener – Yolo County Help Desk. Question: ...